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2016, vol. 43, br. 1, str. 9-18
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Sadržaj polihlorovanih bifenila i organohlornih pesticida u tkivu prstaca (Lithophaga lithophaga, L., 1758) iz ribarnica u Sarajevu
The content of polychlorinated biphenyls and organochlorine pesticides in tissues of date mussel (Lithophaga lithophaga, L., 1758) from the Sarajevo fish market
Sažetak
Postojani organski polutanti (POPs) su hemijske supstance koje su postale problem globalnih razmera zbog sposobnosti dugodometnog transporta, postojanosti u okolini, bioakumulacije, toksičnosti i posledično rizika od štetnih efekata na zdravlje ljudi i na životnu sredinu. U ovom radu je analiziran sadržaj sedam odabranih kongenera polihlorovanih bifenila (PCBs, IUPAC Nos. 28, 58, 101, 118, 138, 153 i 180), te šest organohlornih pesticida i to, aldrina, dieldrina, endrina, cus-hlordana, mpans-hlordana i oksu-hlordana u prstacima (Lithophaga lithophaga L., 1758) sakupljenim u ribarnicama na području Sarajeva (Bosna i Hercegovina). Ova vrsta školjkaša, karakteristična po svom sporom rastu, rasprostranjena je po celom Mediteranu. U Bosni i Hercegovini (BiH) još uvek nije zakonom zaštićena, te se na tržištu BiH u slobodnoj prodaji mogu naći prstaci izlovljeni u području Neumskog zaliva (Jadransko more). U radu su primenjene metode gasne hromatografije i ekstrakcije razvijene u laboratorijima Norveškog instituta za istraživanje voda (NIVA, Oslo). Uzorci školjki (n=61) su bili dužine 4,5-8,4 cm. Sadržaj ukupnih organohlornih pesticida je bio nizak (u rasponu od nedetektabilnih vrednosti do 0,419 µg kg-1 s.m.), dok se sadržaj Σ7PCBs kretao u rasponu od 20,26 do 135,37 µg kg-1 s.m. Dominantni kongeneri polihlorovanih bifenila u svim analiziranim uzorcima su bili 101, 118, 153 i 180.
Abstract
Persistent organic pollutants (POPs) are chemicals of global concern due to their potential for long-range transport, persistence in environment, ability to biomagnify and bioaccumulate in ecosystems, as well as their significant negative effects on human health and the environment. In this study, seven targeted polychlorinated byphenils (PCBs, IUPAC Nos. 28, 52, 101, 118, 138, 153, and 180) and the organochlorine pesticides (OCPs) aldrin, dieldrin, endrin, cis-chlordane, trans-chlordane and oxy-chlordane were quantified in European date mussel (Lithophaga lithophaga L., 1758.) collected from the Sarajevo fish market (Bosnia and Herzegovina). This slow-growing species is widespread along the whole Mediterranean rocky coastline. In Bosnia and Herzegovina (BiH), this species has not been protected by law and the date mussel harvested in the area of the Neum bay (Adriatic sea) could be found in free sale on BiH market. Applied gas chromatography and tissue extraction methods were validated in the NIVA laboratory. Our samples (n=61) were 4.5-8.4 cm in length. Total OCPs in the analyzed samples were low (ranging from non-detectable to 0.419 µg kg-1 w.w.), while Σ7PCBs was ranging from 20.26 to 135.37 µg kg-1 w.w.. PCBs 101, 118, 138 and 153 were dominant congeners in all samples.
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